Camping trailer



FIG. 1 is a front end view of an ornamental design for a camping trailer;

FIG. 2 is a rear end view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a front perspective view thereof.

The broken lines in FIG. 6 are for illustrative purposes only and form no part of the design. 

CLAIM The ornamental design for a camping trailer, as shown and described. 